Neurology Book

http://www.fpnotebook.com/

CSF Gram StainAka: Cerebrospinal Fluid Gram Stain, CSF Microscopy

Advertisement

  1. See Also
    1. Cerebrospinal Fluid Examination
    2. Cerebrospinal Fluid
    3. Lumbar Puncture
  2. Test Sensitivity: Gram Stain
    1. Factors improving sensitivity
      1. Centrifugation
      2. Experienced technician
    2. Bacterial Meningitis
      1. Overall
        1. Untreated cases: Up to 80%
        2. Treated cases: Up to 60%
      2. Organism concentration
        1. Colony forming units (CFU) <1000/mm3: 25%
        2. Colony forming units (CFU) >100,000/mm3: 75%
      3. Organism specific
        1. Streptococcus Pneumoniae: 90%
        2. Listeria monocytogenes: 50%
  3. Special stains
    1. Acid Fast Stain: Tuberculosis
    2. India Ink: Cryptococcus (tap water control required)
    3. Wright or Giemsa stain: Toxoplasmosis
    4. Saline mount: Protozoa
  4. References
    1. Kooiker in Roberts (1998) Procedures in ER, p. 1067-75
    2. Ravel (1995) Lab Medicine, Mosby, p. 294-9
    3. Tunkel in Mandell (2000) Infectious Disease, p. 974-8
    4. Seehusen (2003) Am Fam Physician 68:1103

CSF gram stain method (C0523199)

ConceptsLaboratory Procedure (T059)
EnglishCerebrospinal fluid gram stain method, CSF gram stain, CSF gram stain method
Parent ConceptsBacterial stain, routine (C0200966)
SourcesSCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



Navigation Tree